39 results found
    1. Developmental Biology

    Co-expression of Foxa.a, Foxd and Fgf9/16/20 defines a transient mesendoderm regulatory state in ascidian embryos

    Clare Hudson et al.
    Ascidian mesendoderm is a transient regulatory state upstream of mesoderm and endoderm gene regulatory networks and required for the initiation of both.
    1. Developmental Biology

    The invariant cleavage pattern displayed by ascidian embryos depends on spindle positioning along the cell's longest axis in the apical plane and relies on asynchronous cell divisions

    Rémi Dumollard et al.
    Cell cycle asynchrony regulates apical cell shape to drive cell division orientation in the apical plane.
    1. Developmental Biology
    2. Evolutionary Biology

    Divergent mechanisms regulate conserved cardiopharyngeal development and gene expression in distantly related ascidians

    Alberto Stolfi et al.
    Embryos of distantly related sea squirt species are nearly identical but develop according to different gene regulatory mechanisms.
    1. Developmental Biology

    An FGF-driven feed-forward circuit patterns the cardiopharyngeal mesoderm in space and time

    Florian Razy-Krajka et al.
    A gene network for heart versus head muscle specification has been identified in the tunicate Ciona.
    1. Neuroscience

    Parallel visual circuitry in a basal chordate

    Matthew J Kourakis et al.
    The ascidian Ciona integrates visual information from two photoreceptor types through convergent excitatory and disinhibitory circuits, thereby evoking swim behaviors.
    1. Structural Biology and Molecular Biophysics

    The hydrophobic nature of a novel membrane interface regulates the enzyme activity of a voltage-sensing phosphatase

    Akira Kawanabe et al.
    Electrophysiological and fluorometric studies of Ci-VSP expressed in Xenopus oocyte revealed two states of the enzyme region with distinct enzyme activity and distinct coupling to the voltage sensor.
    1. Neuroscience

    Connectomics: Think small

    Luis A Bezares-Calderón, Gáspár Jékely
    Insight
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    1. Developmental Biology

    The Natural History of Model Organisms: An organismal perspective on C. intestinalis development, origins and diversification

    Matthew J Kourakis, William C Smith
    The life cycle and morphology of the sea squirt Ciona intestinalis shed light on vertebrate evolution.
    1. Stem Cells and Regenerative Medicine

    Regeneration: Seeing is believing

    Enrique Amaya
    Insight
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    1. Ecology

    Substantial near-infrared radiation-driven photosynthesis of chlorophyll f-containing cyanobacteria in a natural habitat

    Michael Kühl et al.
    Cyanobacteria with chlorophyll f show substantial near-infrared radiation-driven photosynthesis and can play an important role for primary production in endolithic, intertidal habitats.

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